Section 3 (Crop Management)
Section 3 (Crop Management)
Section 3 (Crop Management)
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Ameta and Sharma<br />
Table 3. Grain yield and net monetary returns and soil organic carbon of maize-wheat cropping system as affected by legume<br />
intercropping and N levels (1997-98 to 1999-2000).<br />
Treatments<br />
Intercropping treatments<br />
T1:Solemaize(60cm)–<br />
wheat (Check)<br />
T2:Solemaize(60cm)<br />
With FYM @10t/ha wheat<br />
T3:maize+blackgram<br />
(paired rows in 2:2 row<br />
ratio(30/90cm)-wheat<br />
T4: maize+soybean<br />
(paired rows in 2:2 row<br />
ratio(30/90cm)-wheat<br />
T5:maize+pigeonpea-<br />
(Alternate rows in1:1 row<br />
ratio(30/30cm)-wheat<br />
T6: maize+blackgram -<br />
(Alternate rows in1:1 row<br />
ratio(30/30cm)-wheat<br />
97-98<br />
10.06<br />
Grain yield(q/ha.)<br />
Maize and Intercrops Wheat<br />
98-99 99-2k mean 97-98 98-99 99-2k mean<br />
Mean<br />
Maize<br />
eq.yield<br />
(q/ha.)<br />
Net returns<br />
(Rs/ha.)mea<br />
n<br />
16.62 16.43 14.37 36.82 35.12 33.46 35.13 62.87 19675 1.98 0.50<br />
11.20 17.82 18.32 15.78 39.35 39.19 40.40 39.64 70.70 21569 1.86 0.66<br />
10.56<br />
(1.83)*<br />
10.36<br />
(3.82)<br />
9.83<br />
(2.24)<br />
10.64<br />
(1.69)<br />
16.72<br />
(1.86)<br />
15.37<br />
(6.14)<br />
12.72<br />
(2.71)<br />
15.62<br />
(1.62)<br />
17.09<br />
(2.54)<br />
15.49<br />
(6.04)<br />
14.51<br />
(2.31)<br />
16.41<br />
(2.12)<br />
14.79<br />
(2.07)<br />
13.74<br />
(5.33)<br />
12.35<br />
(2.42)<br />
14.22<br />
(1.81)<br />
B:C<br />
ratio<br />
% OC<br />
38.64 37.00 36.91 37.51 71.42 22496 2.02 0.65<br />
36.95 38.06 37.29 37.43 75.65 23670 1.99 0.67<br />
37.45 37.28 36.73 37.15 70.13 21984 1.98 0.49<br />
38.38 37.28 36.21 37.29 70.02 21799 1.96 0.56<br />
CD(P=0.05) NS 0.91 NS - 1.62 1.86 1.85 - 2.38 - - -<br />
Nitrogen levels(kg/ha.)<br />
40 7.13 13.13 13.20<br />
(2.07)<br />
(2.92) (2.93)<br />
100 11.41 16.89 17.48<br />
(2.48)<br />
(3.00) (3.34)<br />
160 12.78 17.42 18.45<br />
(2.63)<br />
(3.33) (3.50)<br />
11.15<br />
(2.64)<br />
15.26<br />
(2.94)<br />
16.21<br />
(3.15)<br />
27.25 34.19 31.04 30.82 58.25 18241 1.80 0.57<br />
41.78<br />
37.82 38.84 39.48 74.05 25179 2.26 0.59<br />
44.78 39.97 40.62 41.79 78.10 26265 2.15 0.60<br />
CD(P=0.05) 0.99 1.35 1.24 - 1.14 1.32 1.23 - 1.69 - - 0.52**<br />
*Figures in parentheses indicate yield of intercrops, **Initial value.<br />
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